* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        
        body {
            background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
            min-height: 100vh;
            padding: 20px;
            padding-top: 150px;
            color: #333;
            line-height: 1.6;
        }
        
        /* 导航栏样式 */
        .nav {
            background-color: #fff;
            box-shadow: 0 2px 15px rgba(0, 0, 0, 0.1);
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            height: 80px;
            display: flex;
            align-items: center;
        }
        
        .na1 {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            width: 100%;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .na1 ul {
            list-style: none;
            display: flex;
            gap: 30px;
        }
        
        .na1 ul li {
            position: relative;
        }
        
        .na1 ul li a {
            text-decoration: none;
            color: #333;
            font-weight: 500;
            font-size: 18px;
            padding: 15px 0;
            position: relative;
        }
        
        .na1 ul li a::after {
            content: '';
            position: absolute;
            width: 0;
            height: 3px;
            bottom: 10px;
            left: 0;
            background-color: #d63031;
            transition: width 0.3s ease;
        }
        
        .na1 ul li a:hover::after {
            width: 100%;
        }
        
        .na1 ul li > div {
            position: absolute;
            top: 100%;
            left: 0;
            background: white;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
            border-radius: 0 0 5px 5px;
            display: none;
            flex-direction: column;
            min-width: 200px;
            z-index: 100;
            padding: 10px 0;
        }
        
        .na1 ul li > div a {
            padding: 12px 20px;
            display: block;
            color: #555;
            font-size: 16px;
            transition: all 0.3s;
        }
        
        .na1 ul li > div a:hover {
            background: #f8f9fa;
            color: #d63031;
        }
        
        .na1 ul li:hover > div {
            display: flex;
        }
        
        .right-section {
            display: flex;
            align-items: center;
            gap: 20px;
        }
        
        .language {
            cursor: pointer;
            font-size: 18px;
        }
        
        .phone-number {
            font-weight: 500;
            font-size: 18px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        
        .phone-number i {
            color: #d63031;
        }
        
        /* 公司名称样式 */
        .company-name {
            text-align: center;
            margin: 40px 0 30px;
            animation: fadeInUp 0.8s ease;
        }
        
        .company-name h1 {
            font-size: 42px;
            color: #d63031;
            margin-bottom: 15px;
            letter-spacing: 1px;
        }
        
        .company-name p {
            font-size: 20px;
            color: #555;
            max-width: 600px;
            margin: 0 auto;
        }
        
        /* 表单容器样式 */
        .container {
            max-width: 1200px;
            width: 100%;
            margin: 0 auto;
            display: flex;
            background: white;
            border-radius: 20px;
            overflow: hidden;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
            margin-top: 40px;
        }
        
        /* 左侧浅红渐变 */
        .contact-info {
            flex: 1;
            background: linear-gradient(135deg, #ff9a9e 0%, #fad0c4 100%);
            color: #333;
            padding: 50px 40px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            position: relative;
        }
        
        .contact-info::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('https://images.unsplash.com/photo-1517245386807-bb43f82c33c4?auto=format&fit=crop&w=600&q=80') no-repeat center center;
            background-size: cover;
            opacity: 0.1;
            z-index: 0;
        }
        
        .contact-info > * {
            position: relative;
            z-index: 1;
        }
        
        /* 右侧浅灰渐变 */
        .contact-form {
            flex: 1.5;
            padding: 50px 40px;
            background: linear-gradient(to bottom, #ffffff, #f8f9fa);
        }
        
        .contact-info h2 {
            font-size: 36px;
            margin-bottom: 30px;
            position: relative;
            color: #333;
        }
        
        .contact-info h2:after {
            content: '';
            position: absolute;
            bottom: -15px;
            left: 0;
            width: 70px;
            height: 4px;
            background: #d63031;
            border-radius: 2px;
        }
        
        .info-item {
            display: flex;
            align-items: flex-start;
            margin: 25px 0;
        }
        
        .info-item i {
            font-size: 26px;
            margin-right: 15px;
            color: #d63031;
            min-width: 30px;
            text-align: center;
        }
        
        .info-text h3 {
            font-size: 20px;
            margin-bottom: 8px;
            color: #222;
        }
        
        .info-text p {
            font-size: 17px;
            opacity: 0.95;
            line-height: 1.6;
        }
        
        .social-icons {
            display: flex;
            margin-top: 40px;
            position: relative;
            flex-wrap: wrap;
            gap: 10px;
          justify-content: center; /* 水平居中 */
           padding: 20px 0; /* 增加上下间距 */
           margin: 0 auto; /* 确保容器居中 */
           max-width: 400px; /* 限制最大宽度，避免图标过度分散 */
        }
        
        .social-icons a {
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 10px; /* 统一图标间距 */
            width: 55px;
            height: 55px;
            background: rgba(255, 255, 255, 0.8);
            border-radius: 50%;
            color: #333;
            text-decoration: none;
            transition: all 0.3s ease;
            position: relative;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
            border: 2px solid transparent;
        }
        
        .social-icons a:hover {
            background: white;
            transform: translateY(-5px);
            box-shadow: 0 8px 20px rgba(0,0,0,0.15);
            border-color: #d63031;
        }
        
        .social-icons .tooltip {
            position: absolute;
            bottom: -35px;
            left: 50%;
            transform: translateX(-50%);
            background: rgba(0,0,0,0.8);
            color: white;
            padding: 6px 12px;
            border-radius: 5px;
            font-size: 13px;
            white-space: nowrap;
            display: none;
            opacity: 0;
            transition: opacity 0.3s ease;
        }
        
        .social-icons a:hover .tooltip {
            display: block;
            opacity: 1;
        }
        
        /* 微信二维码样式  */
        .wechat-icon {
            position: relative;
            display: inline-block;
        }
        
        .wechat-qrcode {
display: none;
    position: absolute;
    left: 50%; /* 相对于父元素水平居中 */
    transform: translateX(-50%); /* 水平居中修正 */
    bottom: 100%; /* 显示在图标上方 */
    margin-bottom: 10px; /* 与图标保持间距 */
    z-index: 100; /* 确保显示在其他元素上方 */
    padding: 10px;
    background: white;
    border-radius: 5px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1); /* 增加阴影，避免与背景融合 */
                            
                  
                    
            width: 220px;
            text-align: center;
            animation: popIn 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
            border: 1px solid #eee;
        }
        
        .wechat-qrcode img {
            width: 180px;
            height: 180px;
            display: block;
            margin: 0 auto 15px;
            border-radius: 5px;
        }
        
        .wechat-qrcode p {
            font-size: 14px;
            color: #666;
            font-weight: 500;
        }
        /* 可选：添加小三角指示图标 */
           .wechat-qrcode::after {
           content: '';
          position: absolute;
               top: 100%;
            left: 50%;
    transform: translateX(-50%);
    border-width: 6px;
    border-style: solid;
    border-color: white transparent transparent transparent;
}
        .contact-form h2 {
            font-size: 32px;
            margin-bottom: 35px;
            color: #333;
            position: relative;
        }
        
        .contact-form h2:after {
            content: '';
            position: absolute;
            bottom: -15px;
            left: 0;
            width: 60px;
            height: 4px;
            background: #d63031;
            border-radius: 2px;
        }
        
        .form-group {
            margin-bottom: 25px;
            position: relative;
        }
        
        .form-group label {
            display: block;
            margin-bottom: 10px;
            font-weight: 600;
            color: #555;
            font-size: 17px;
        }
        
        .form-control {
            width: 100%;
            padding: 16px 18px;
            border: 2px solid #ddd;
            border-radius: 10px;
            font-size: 16px;
            transition: all 0.3s ease;
            background: white;
        }
        
        .form-control:focus {
            border-color: #d63031;
            outline: none;
            box-shadow: 0 0 0 4px rgba(214, 48, 49, 0.15);
        }
        
        textarea.form-control {
            min-height: 180px;
            resize: vertical;
        }
        
        .btn {
            background: linear-gradient(135deg, #d63031 0%, #ff7675 100%);
            color: white;
            border: none;
            padding: 18px 35px;
            font-size: 18px;
            font-weight: 600;
            border-radius: 10px;
            cursor: pointer;
            transition: all 0.3s ease;
            width: 100%;
            display: block;
            margin-top: 15px;
            box-shadow: 0 6px 20px rgba(214, 48, 49, 0.3);
        }
        
        .btn:hover {
            background: linear-gradient(135deg, #c23616 0%, #e84118 100%);
            transform: translateY(-3px);
            box-shadow: 0 10px 25px rgba(214, 48, 49, 0.4);
        }
        
        .btn i {
            margin-right: 10px;
        }
        
        .message {
            padding: 18px;
            border-radius: 10px;
            margin: 25px 0;
            text-align: center;
            display: none;
            font-size: 16px;
        }
        
        .success {
            background: #d4edda;
            color: #155724;
            border: 1px solid #c3e6cb;
        }
        
        .error {
            background: #f8d7da;
            color: #721c24;
            border: 1px solid #f5c6cb;
        }
        
        /* 修复说明 */
        .fix-notice {
            max-width: 1200px;
            margin: 20px auto;
            padding: 20px;
            background: #e3f2fd;
            border-radius: 10px;
            border-left: 4px solid #2196f3;
        }
        
        .fix-notice h3 {
            color: #1976d2;
            margin-bottom: 10px;
        }
        
        .fix-notice ul {
            padding-left: 20px;
        }
        
        .fix-notice li {
            margin-bottom: 8px;
        }
        
        /* 动画 */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        
        @keyframes popIn {
            0% {
                opacity: 0;
                transform: translateX(-50%) scale(0.5);
            }
            100% {
                opacity: 1;
                transform: translateX(-50%) scale(1);
            }
        }
        
        /* 响应式设计 */
        @media (max-width: 1024px) {
            .container {
                flex-direction: column;
                max-width: 700px;
            }
            
            .contact-info, .contact-form {
                padding: 40px 30px;
            }
            
            .na1 ul {
                gap: 20px;
            }
        }
        
        @media (max-width: 768px) {
            body {
                padding-top: 140px;
            }
            
            .na1 {
                flex-direction: column;
                padding: 15px 20px;
            }
            
            .na1 > span {
                margin-bottom: 15px;
            }
            
            .na1 ul {
                flex-wrap: wrap;
                justify-content: center;
                margin-bottom: 15px;
                gap: 15px;
            }
            
            .right-section {
                margin-top: 10px;
            }
            
            .company-name h1 {
                font-size: 32px;
            }
            
            .company-name p {
                font-size: 18px;
            }
            
            .wechat-qrcode {
                bottom: 65px;
                width: 200px;
            }
            
            .wechat-qrcode img {
                width: 160px;
                height: 160px;
            }
        }
        
        @media (max-width: 480px) {
            .na1 ul {
                gap: 10px;
                flex-direction: column;
                align-items: center;
            }
            
            .phone-number {
                font-size: 16px;
            }
            
            .company-name h1 {
                font-size: 28px;
            }
            
            .company-name p {
                font-size: 16px;
            }
            
            .contact-info, .contact-form {
                padding: 30px 20px;
            }
            
            .wechat-qrcode {
                bottom: 60px;
                left: 50%;
                transform: translateX(-50%);
                width: 180px;
                padding: 15px;
            }
            
            .wechat-qrcode img {
                width: 150px;
                height: 150px;
            }
        }
        
        /* 社交媒体图标动画 */
        .social-icons a {
            animation: float 3s ease-in-out infinite;
        }
        
        .social-icons a:nth-child(2) {
            animation-delay: 0.2s;
        }
        
        .social-icons a:nth-child(3) {
            animation-delay: 0.4s;
        }
        
        .social-icons a:nth-child(4) {
            animation-delay: 0.6s;
        }
        
        @keyframes float {
            0% { transform: translateY(0); }
            50% { transform: translateY(-8px); }
            100% { transform: translateY(0); }
        }
        
        footer {
            text-align: center;
            padding: 30px 0;
            margin-top: 60px;
            color: #666;
            font-size: 15px;
            border-top: 1px solid #eee;
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
        }